The synthesis, characterization and electrochemical performance of hollow sandwich microtubules composed of ultrathin Co3O4 nanosheets and porous carbon using a bio-template
Biomorphic 2D Co3O4 nanosheets/mesoporous carbon microtube composites are solvothermally prepared and subsequently calcined using ramie as a biotemplate. The as-prepared composites are fabricated using two sides of Co3O4 nanosheets (NSs) supported on porous carbon microtubes and exhibit a unique tub...
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| Veröffentlicht in: | Journal of materials chemistry. A, Materials for energy and sustainability Materials for energy and sustainability, 2018, Vol.6 (39), p.18987-18993 |
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| container_issue | 39 |
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| container_title | Journal of materials chemistry. A, Materials for energy and sustainability |
| container_volume | 6 |
| creator | Sun, Dongya He, Liwen Chen, Rongqiang Lin, Zhenyong Lin, Shanshan Xiao, Caixia Lin, Bizhou |
| description | Biomorphic 2D Co3O4 nanosheets/mesoporous carbon microtube composites are solvothermally prepared and subsequently calcined using ramie as a biotemplate. The as-prepared composites are fabricated using two sides of Co3O4 nanosheets (NSs) supported on porous carbon microtubes and exhibit a unique tubular morphology and porous features. The present biomorphic materials show a specific capacitance of 1280.6 F g−1 at 1 A g−1, and outstanding charge–discharge cycle stability with a capacitance retention of 96.89% after 15 000 cycles. The remarkable pseudocapacitive performance and cyclability are attributed to the unique microstructure, the high specific surface area and the optimized hierarchical microstructure inherited from the biotemplate. |
| doi_str_mv | 10.1039/c8ta07711h |
| format | Article |
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The as-prepared composites are fabricated using two sides of Co3O4 nanosheets (NSs) supported on porous carbon microtubes and exhibit a unique tubular morphology and porous features. The present biomorphic materials show a specific capacitance of 1280.6 F g−1 at 1 A g−1, and outstanding charge–discharge cycle stability with a capacitance retention of 96.89% after 15 000 cycles. The remarkable pseudocapacitive performance and cyclability are attributed to the unique microstructure, the high specific surface area and the optimized hierarchical microstructure inherited from the biotemplate.</description><identifier>ISSN: 2050-7488</identifier><identifier>EISSN: 2050-7496</identifier><identifier>DOI: 10.1039/c8ta07711h</identifier><language>eng</language><publisher>Cambridge: Royal Society of Chemistry</publisher><subject>Capacitance ; Carbon ; Cobalt oxides ; Composite materials ; Electrochemical analysis ; Electrochemistry ; Microstructure ; Microtubules ; Morphology ; Nanosheets</subject><ispartof>Journal of materials chemistry. 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A, Materials for energy and sustainability</title><description>Biomorphic 2D Co3O4 nanosheets/mesoporous carbon microtube composites are solvothermally prepared and subsequently calcined using ramie as a biotemplate. The as-prepared composites are fabricated using two sides of Co3O4 nanosheets (NSs) supported on porous carbon microtubes and exhibit a unique tubular morphology and porous features. The present biomorphic materials show a specific capacitance of 1280.6 F g−1 at 1 A g−1, and outstanding charge–discharge cycle stability with a capacitance retention of 96.89% after 15 000 cycles. The remarkable pseudocapacitive performance and cyclability are attributed to the unique microstructure, the high specific surface area and the optimized hierarchical microstructure inherited from the biotemplate.</description><subject>Capacitance</subject><subject>Carbon</subject><subject>Cobalt oxides</subject><subject>Composite materials</subject><subject>Electrochemical analysis</subject><subject>Electrochemistry</subject><subject>Microstructure</subject><subject>Microtubules</subject><subject>Morphology</subject><subject>Nanosheets</subject><issn>2050-7488</issn><issn>2050-7496</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNo9jctOwzAQRSMEElXphi-wxJaAHSexvUQVLwmpm7KuJvakTpXYwXZUwT_xj4SHmM2dxbn3ZNklozeMcnWrZQIqBGP2JFsUtKK5KFV9-v9LeZ6tYjzQ-SSltVKL7HNrkcR3lyzGLl4TbSGAThi6D0iddwScIdijTsFri0OnoScjhtaHAZxG4ltifd_7I4kzeuy0JTMUfJqaqcdItB9GH9F8g1OfAiTbObL2fFMSB85Hi5jij2b0wU9zA0Izi6fYuT0B0nQ-TziMPSS8yM5a6COu_nKZvT7cb9dP-cvm8Xl995Lvi4KmvOEcjRRG1YVGg1LwCrTgiiljFLJWVaYyplRSlpWqBDQFb4ThvGYIFCrGl9nV7-4Y_NuEMe0OfgpuVu4KxkRBhRSCfwH3tnUq</recordid><startdate>2018</startdate><enddate>2018</enddate><creator>Sun, Dongya</creator><creator>He, Liwen</creator><creator>Chen, Rongqiang</creator><creator>Lin, Zhenyong</creator><creator>Lin, Shanshan</creator><creator>Xiao, Caixia</creator><creator>Lin, Bizhou</creator><general>Royal Society of Chemistry</general><scope>7SP</scope><scope>7SR</scope><scope>7ST</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>C1K</scope><scope>JG9</scope><scope>L7M</scope><scope>SOI</scope></search><sort><creationdate>2018</creationdate><title>The synthesis, characterization and electrochemical performance of hollow sandwich microtubules composed of ultrathin Co3O4 nanosheets and porous carbon using a bio-template</title><author>Sun, Dongya ; He, Liwen ; Chen, Rongqiang ; Lin, Zhenyong ; Lin, Shanshan ; Xiao, Caixia ; Lin, Bizhou</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-g220t-b33ed87d962cede8735ac73919dd9e1f95d5dd498845957ab23b7d3361ea0a513</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Capacitance</topic><topic>Carbon</topic><topic>Cobalt oxides</topic><topic>Composite materials</topic><topic>Electrochemical analysis</topic><topic>Electrochemistry</topic><topic>Microstructure</topic><topic>Microtubules</topic><topic>Morphology</topic><topic>Nanosheets</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Sun, Dongya</creatorcontrib><creatorcontrib>He, Liwen</creatorcontrib><creatorcontrib>Chen, Rongqiang</creatorcontrib><creatorcontrib>Lin, Zhenyong</creatorcontrib><creatorcontrib>Lin, Shanshan</creatorcontrib><creatorcontrib>Xiao, Caixia</creatorcontrib><creatorcontrib>Lin, Bizhou</creatorcontrib><collection>Electronics & Communications Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>Environment Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Environment Abstracts</collection><jtitle>Journal of materials chemistry. 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A, Materials for energy and sustainability</jtitle><date>2018</date><risdate>2018</risdate><volume>6</volume><issue>39</issue><spage>18987</spage><epage>18993</epage><pages>18987-18993</pages><issn>2050-7488</issn><eissn>2050-7496</eissn><abstract>Biomorphic 2D Co3O4 nanosheets/mesoporous carbon microtube composites are solvothermally prepared and subsequently calcined using ramie as a biotemplate. The as-prepared composites are fabricated using two sides of Co3O4 nanosheets (NSs) supported on porous carbon microtubes and exhibit a unique tubular morphology and porous features. The present biomorphic materials show a specific capacitance of 1280.6 F g−1 at 1 A g−1, and outstanding charge–discharge cycle stability with a capacitance retention of 96.89% after 15 000 cycles. 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| identifier | ISSN: 2050-7488 |
| ispartof | Journal of materials chemistry. A, Materials for energy and sustainability, 2018, Vol.6 (39), p.18987-18993 |
| issn | 2050-7488 2050-7496 |
| language | eng |
| recordid | cdi_proquest_journals_2117207877 |
| source | Royal Society Of Chemistry Journals 2008- |
| subjects | Capacitance Carbon Cobalt oxides Composite materials Electrochemical analysis Electrochemistry Microstructure Microtubules Morphology Nanosheets |
| title | The synthesis, characterization and electrochemical performance of hollow sandwich microtubules composed of ultrathin Co3O4 nanosheets and porous carbon using a bio-template |
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